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Q. I get the message "Error in ASIO Sound Driver" or "Errror in WDM Sound Driver"This problem is normally caused by incorrect sound settings. Please go to CONFIG -> Sound Setup and verify that your sound settings are correct for the sound card(s) that you are using then click APPLY. Also, make sure that you have the latest drivers and firmware installed from the manufacturer's website.

If you are using an external sound card or a MIDI controller with a built-in sound card, make sure that it is connected to your computer BEFORE starting VirtualDJ.

And device drivers for hardware commonly used with VirtualDJ can be found on the following page: Common Device Drivers

NOTE: Some drivers for external sound cards are USB port specific, so you will need to always plug the sound card into the same USB port. If you change the port, you will need to re-install the drivers again.

NOTE: If you are getting an ASIO error when trying to use an external sound card (Or MIDI controller with built-in sound card) that is capable of both ASIO and WDM, check what the default Windows playback device is set to. If it is set to the external sound card, then this may force that card to WDM mode, preventing you from using it as an ASIO sound card. Check the default playback device via the Windows sound control panel and set it back to the internal card that's built into your computer.

NOTE: Some hardware designed for USB 2.0 may not function correctly when connected to a USB 3.0 port due to backward compatibility issues with USB 3.0 chipsets. If you are experiencing problems with your hardware when connected to a USB 3.0 port, try connecting it to a USB 2.0 port if your computer has one. Otherwise, try using a powered USB 2.0 hub (This solves the compatibility issue for most users.)